. >> european leaders at loggerheads over the new budget. >> credit unit -- a general strike in tunisia as anger grows over the assassination of one of the nation's boldest critics. >> an unsettling report outlining doping across sports. the battle of the budget in brussels in shaping up to be very much a north/south confrontation with europe's rich northern countries calling for a further deep spending cuts. >> but in the south, countries like greece and spain say four years of austerity are enough. they are calling for spending to be eased to spur growth and create jobs. >> after it failed budget summit in november, stakes are high this time around for some kind of deal. >> british prime minister david cameron wants the eu to mend what he sees as its wasteful ways. he made his point by arriving on foot, not in a chauffeur-driven limousine. he went into the talks in a bullish mood. >> the numbers that were put forward were much too high. they need to come down, and if they do not, a to be a done deal. >> that puts him on a collision course with many other eu leaders who argue the block needs a